How to check TLS/SSL certificate expiration date from command-line | Linux Today

How to check TLS/SSL certificate expiration date from command-line

Written By
A
Anonymous
Oct 23, 2020

Expired TLS/SSL certificates can cause downtime. Hence, it is crucial to monitor the expiry date for our TLS/SSL certificates. Let us see how to find out TLS/SSL cert expiry date from the Linux or Unix CLI. We can write a simple script to alert us too via email or push message to mobile phone.

A

Anonymous

Linux Today Logo

LinuxToday is a trusted, contributor-driven news resource supporting all types of Linux users. Our thriving international community engages with us through social media and frequent content contributions aimed at solving problems ranging from personal computing to enterprise-level IT operations. LinuxToday serves as a home for a community that struggles to find comparable information elsewhere on the web.

Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved

Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.